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 #ifndef HIGHLIGHTER_H
 #define HIGHLIGHTER_H

 #include <QSyntaxHighlighter>

 #include <QHash>
 #include <QTextCharFormat>
 #include "3rd-party/hunspell/hunspell.hxx"

 class QTextDocument;

 class Highlighter : public QSyntaxHighlighter
 {
     Q_OBJECT

     bool bSpellCheck;
     QString FindStr;
     bool isCaseSensetive;
 public:
     Highlighter(QTextDocument *parent = 0);
     void enableSpellCheck(bool b);
     void setFind(QString sel, bool isCase);

 protected:
     void highlightBlock(const QString &text);

 private:
     struct HighlightingRule
     {
         QRegExp pattern;
         QTextCharFormat format;
     };
     QVector<HighlightingRule> highlightingRules;

     QRegExp commentStartExpression;
     QRegExp commentEndExpression;

     QTextCharFormat keywordFormat;
     QTextCharFormat equationKeyword;
     QTextCharFormat equationGreeks;
     QTextCharFormat equationOperators;

     QTextCharFormat classFormat;
     QTextCharFormat singleLineCommentFormat;
     QTextCharFormat multiLineCommentFormat;
     QTextCharFormat quotationFormat;
     QTextCharFormat functionFormat;

     QTextCharFormat spellErrorFormat;

     QTextCharFormat findFormat;

     void highlightTexEquations(const QString &text);
     void highlightTexEquations(const QString &text, QString beginToken, QString endToken);
     void highlightComment(const QString &text);

     Hunspell* sChecker;
     bool spellCheckActive,spellerError;
     QString spell_dic, spell_encoding;
     void spellCheck(const QString &text);
     bool checkWord(QString word);
     QTextCodec* codec;
 public:
     bool setDict(const QString SpellDic);


 };

 #endif

